EARTH'S NATURAL RESOURCES

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Across
  1. 4. region with similar plants, animals, terrain, and climate
  2. 5. of all the earth's water
  3. 11. natural feature of the earth's surface.
  4. 12. part of Earth where life exists
  5. 13. weather patterns for a given region
  6. 15. mass,A huge body of air that has similar temperature, humidity, and air pressure at any given height
  7. 16. process of removing salt from ocean water
  8. 17. breaking down of rocks and other materials on the Earth's surface.
  9. 19. protection of nature and its resources
  10. 20. and use (land) for crops or gardening.
  11. 22. sunlight,Sunlight that has low concentration or is spread across a large area; causes winter
  12. 23. where water is collected and stored for use
  13. 24. currents,Global patterns created from the movement of the oceans; such as the Gulf Stream
  14. 25. thin layer of gases surrounding Earth
Down
  1. 1. solid part of the earth consisting of the crust and outer mantle
  2. 2. horizontal movement of air from an area of high pressure to an area of lower pressure
  3. 3. where an organism lives
  4. 6. useful material that can be drawn from when needed (water, timber)
  5. 7. science of cultivating land for growing food or raising animals
  6. 8. power needed to do work, such as staying alive
  7. 9. action of moving water from one place to another
  8. 10. sunlight,Sunlight that is highly concentrated or focused; causes summer
  9. 14. by which rock, sand, and soil are broken down and carried away (i.e. weathering, glaciation)
  10. 18. stream,bands of high-speed winds about 10 kilometers above Earth's surface
  11. 21. cycle,The continuous process by which water moves from Earth's surface to the atmosphere and back